#0A2F3E#0A2F3E

#0A2F3E is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.7% C 0.049 H 229.4°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#0A2F3E
RGB	rgb(10, 47, 62)
HSL	hsl(197, 72%, 14%)
HSV	hsv(197, 84%, 24%)
CMYK	cmyk(83.9%, 24.2%, 0%, 75.7%)
CIE-LAB	lab(17.67, -6.84, -13.20)
CIE-LCH	lch(17.67, 14.86, 242.62°)
OKLab	oklab(28.73% -0.0318 -0.037)
OKLCH	oklch(28.73% 0.049 229.4)
XYZ	xyz(2.0108, 2.4451, 4.9225)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2F3E #3E190A

analogous

#0A3E33 #0A2F3E #0A153E

triadic

#0A2F3E #3E0A2F #2F3E0A

tetradic

#0A2F3E #330A3E #3E190A #153E0A

square

#0A2F3E #330A3E #3E190A #153E0A

split-complementary

#0A2F3E #3E0A15 #3E330A

monochromatic

#04141A #04141A #0A2F3E #135773 #1B7FA7

Accessibility & contrast

On white

14.10

#0A2F3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0A2F3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2F3E

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2F3E	#FFFFFF	#000000	##FFFFFF
##0A2F3E	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272E3F

Deuteranopia (green-blind)

#20293E

Tritanopia (blue-blind)

#003334

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0a2f3e;
/* rgb */ color: rgb(10, 47, 62);
/* oklch */ color: oklch(28.7% 0.049 229.4);

Tailwind

colors: {
  custom: {
    50: '#526773',
    500: '#0a2f3e',
    950: '#000000',
  },
}

SCSS

$custom: #0a2f3e;
$custom-light: #526773;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2f3e",
  "rgb": {
    "r": 10,
    "g": 47,
    "b": 62
  },
  "hsl": {
    "h": 197.308,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.28733,
    "c": 0.04883,
    "h": 229.4
  },
  "luminance": 0.02445
}

Semantic roles & 50–950 ramp

primary

#0A2F3E

secondary

#7B4028

accent

#6D39EF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A2F3E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →